Article published on the 2008-04-11 Latest update 2008-04-17 15:00 TU
The security operation began as soon as the flame arrived at Buenos Aires international airport. It was whisked away on a bus under heavy police escort.
The flame is being relayed around the world through 20 countries before it arrives in Beijing for the opening ceremony.
Its progress has been beset by protests on the London, Paris and San Francisco legs of its tour.
The International Olympic Committee is set to meet Friday to decide whether to end the relay tradition.
Groups critical of China's human rights record have been trying to put pressure on Beijing as it prepares to host the Olympics for the first time. After its run through Buenos Aires, the torch will be flown to Tanzania.
Meanwhile, a spokesperson for the UN Secretary-General said that Ban's absence was not a boycott of the games, claiming but a result of a scheduling problem.
2008-04-17 12:21 TU